Great Britain's National Electricity Transmission System (NETS) must continue to adapt and be developed so power can be transported from source to demand, reliably and efficiently.
East of England boundaries
The East of England region includes the counties of Norfolk and Suffolk. This includes the EC5 boundary.
North of England boundaries
The North of England transmission region includes the transmission network between the Scottish border and the north Midlands, this includes the upper north boundaries B7a and B8.
North Wales and the Midlands boundaries
The Western transmission region includes boundaries in the Midlands and the north of Wales.
The onshore transmission network in Scotland is owned by SSEN Transmission and SP Transmission.
The Scottish NETS is divided into 7 boundaries:
Boundary charts source data
Download the source data from all of our published ETYS 2022 boundary charts in a tabulated format.